Need the factory answer on your Case IH DX29 or DX33? This 702-page repair manual PDF (OEM #87059223) covers both compact tractors from cylinder head overhaul to hydrostatic transmission rebuild. Inside: full electrical schematics spanning both chassis, complete hydraulic circuit diagrams for the pump, control valves, and remote circuits, plus a thorough troubleshooting section for every major system. You get exploded assembly views across the gear transmission, FWD front axle, differential, PTO, brakes, and steering, all the way through clutch overhaul and engine fuel system procedures. Set your DX29 injection pressure to 118 bar (1,706 psi) and torque injector assemblies to 59–69 N·m before chasing any hard-start fault. No more forum guesses on torque values. Bookmarked by system and keyword-searchable: pull up the right section on your tablet before you touch a wrench.
What's Inside This Case IH DX29, DX33 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 39-64 | Precautionary Statements, Personal Safety, Machine Safety, Safety, Servicing the Tractor, Operating the Tractor, Driving the Tractor |
| Engine | 65-184 | Specifications, Cylinder Head, Cylinder Block, Troubleshooting, Overhaul, Fuel System |
| Clutch | 185-210 | Specifications, Description of Operation, Adjustments, Overhaul, Clutch Pilot Bearing, Clutch Release Bearing |
| Gear Transmission | 211-256 | Specifications, Powerflow, Overhaul, Shift Rails, Main Shaft and Gears, Drive Pinion and Gears |
| FWD Front Axle | 257-280 | Specifications, Description of Operation, Overhaul, Front Axle and Differential, Drive Pinion, Reduction Gear - Drop Box |
| Differential, Rear Axle | 281-304 | Specifications, Description of Operation, Differential Lock, Overhaul, Drive Pinion, Rear Axle |
| Hydrostatic Transmission | 305-366 | Specifications, Description of Operation, Overhaul, Hydrostatic Pump, Hydrostatic Motor, Gearbox |
| Power Take-Off Systems | 367-382 | Specifications, Description of Operation, Overhaul, Output Shaft, Countershaft, Shifter |
| Brakes | 383-394 | Specifications, Description of Operation, Overhaul, Parking Brake, Brake Adjustment |
| Hydraulic System | 395-448 | Hydraulic Fluid Filter, Combination System Relief / Diverter Valve Manifold, Control Valve (Hpl), Lift Cylinder, Hydraulic Pump, Remote Valves |
| Steering | 449-496 | Power-Steering Control Motor, Spool and Sieve, Gerotor Pump, Power Steering Pump, FWD Steering Cylinder, Steering Column |
| Wheels and Tires | 497-504 | FWD Tread Setting, Front Wheel Settings, Rear Wheel Settings, Rear Axle Tread Setting, Tractor Weighting, Liquid Ballast |
| Electrical System | 505-676 | Wiring Harnesses, Battery and Fuses, Switches, Relays, Sensors, Alternator and Starter |
| Platform | 677-702 | Hood, Rear Hood Panels, Dash Console, Seat, ROPS, Fenders and Deck |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| DX29 | ||
| Fuel Injection Pump Injection Pressure | 118 bar (1706 psi) | p. 147 |
| Engine Gross Horsepower | 21.6 kw (29 hp) | p. 51 |
| DX33 | ||
| Fuel Injection Pump Injection Pressure | 147 bar (2150 psi) | p. 147 |
| All Models | ||
| Thickness of Clutch Disc | 3.2 mm (0.1259″) | p. 187 |
| Allowable Limit (Clutch Disc Thickness) | 7.2 mm (0.28″) | p. 187 |
| Hydraulic Pump Type | Gear | p. 446 |
| Hydraulic Pump Capacity | 29.0 L/min (7.6 gpm) | p. 446 |
| Troubleshooting: Implement fails to lift when lever is in raised position - Possible Cause: Relief valve setting too low | Perform system relief valve pressure test | p. 441 |
| Troubleshooting: Implement fails to lift when lever is in raised position - Possible Cause: Excessive fluid leakage past lift cylinder piston seal | Replace seal, piston, or cylinder as required | p. 441 |
| Fuel Tank Capacity | 27.6 liters (7.3 U.S. gals.) | p. 51 |
| Engine Crankcase Capacity (With Filter) | 4.0 liters (4.2 U.S. qts.) | p. 51 |
| Cooling System Capacity | 4.0 liters (4.2 U.S. qts.) | p. 51 |
Case IH DX29, DX33 Common Problems This Manual Covers
Case IH DX29 hydraulic system loses pressure and implement rises too slowly or fails to lift p. 441
Inspect the suction filter for restrictions and clean or replace it as required. Perform a system relief valve pressure test as outlined on page 441. Verify the relief valve setting reaches 147 bar (2133 psi). If pressure remains low, check the gear pump capacity.
Manual Section: Hydraulic System TroubleshootingEngine turns over but fails to start or stalls immediately after 30 minutes of running p. 147
Check the fuel delivery system and test the injection pump pressure. For the DX29 model, verify the injection pressure reaches 118 bar (1706 psi) as shown on page 147. Remove the injector assembly and torque the replacement to 59 to 69 Nm (43 to 51 ft. lbs.).
Manual Section: Engine Fuel System TroubleshootingTransmission slips under load or clutch fails to engage smoothly when shifting gears p. 187
Measure the clutch disc thickness as detailed on page 187. Replace the disc if it wears beyond the allowable limit of 7.2 mm (0.28 inches). Install the new clutch plate kit and torque the mounting bolts to 22.6 to 28.4 Nm (16.6 to 21 ft. lbs.).
Manual Section: Clutch TroubleshootingStarter motor energizes but engine refuses to start or pinion shaft fails to advance p. 674
Test the electrical system and verify the starter motor current draw under no load. Ensure the draw is less than 100 amps as specified on page 674. Inspect the wiring harnesses and battery connections. Replace the starter motor if the pinion motor rotates without transmitting rotation.
Manual Section: Electrical System - Starter Motor TroubleshootingFrequently Asked Questions
Torque specs for Case IH DX29 engine bolts?
For the Case IH DX29 engine, connecting rod cap nuts should be torqued to 49 - 54 N⋅m (36 - 40 ft. lbs.), and cylinder head bolts to 98 - 103 N⋅m (72 - 76 ft. lbs.). Rocker arm assembly bolts require 27 - 39 N⋅m (20 - 29 ft. lbs.).
Torque specs for Case IH DX33 axle mounting bolts?
For the FWD Front Axle, rear pivot mounting bolts should be torqued to 135 N⋅m (100 ft. lbs.) and front pivot mounting bolts to 170 N⋅m (125 ft. lbs.). Axle retaining bolts should be tightened to 30 N⋅m (40 ft. lbs.). The spanner nut for the final reduction gear requires a torque of 88 – 101 N⋅m (65 – 75 ft. lbs.) using tool #CAS2784.
What are the replacement specifications for Fuel injector?
Fuel injectors are pintle type with a nozzle type of Throttle. The needle valve diameter for all models is 0.4 mm (0.0157 in.) and the pintle diameter is 1.0 mm (0.039 in.). Injection pressure is 118 bar (1706 psi) for DX29 and 147 bar (2150 psi) for DX33, with a spray angle of 4°. The injector assembly should be torqued to 59 – 69 N⋅m (43 – 51 ft. lbs.).
What are the replacement specifications for Clutch plate kit?
For single clutch models (DX29/DX33 HST), there is 1 clutch plate (2 facings) with an outside diameter of 215 mm (8.46″) or 225 mm (8.86″) and an inside diameter of 130 mm (5.12″) or 150 mm (5.90″). For double clutch models (DX29/DX33 9x3 Gear Transmission), there are 2 clutch plates (4 facings) with an outside diameter of 215 mm (8.46″) or 225 mm (9.86″) for transmission and 215 mm (8.46″) for PTO. The standard thickness for all clutch discs is 3.2 mm (0.1259″), with a maximum deflection of 1.0 mm (0.039″).
How will I receive this Case IH DX29, DX33 Repair Manual?
Immediate download of the complete 702-page searchable Repair Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Are there any print restrictions on this manual?
The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
Can I find wiring schematics in this Case IH DX29, DX33 manual?
Complete wiring diagrams are included, covering all electrical circuits, harness routing, and connector pinouts for the Case IH DX29, DX33.
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